PlantUML focuses on creating and maintaining technical diagrams without manually drawing each element. It is catalogued under Diagramming & whiteboards on PulseGate.

Who should use PlantUML?

PlantUML is an open-source project built for developers and technical documentation teams.

Yes — PlantUML is open source under the Open Source license and free to use.

Is PlantUML still active?

Unverified. PlantUML has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to PlantUML?

Similar projects tracked by PulseGate include PlantUML Diagram Generator, PlantUML for Android, and Generate PlantUML.

PlantUML is developed by PlantUML contributors.

How long has PlantUML been around?

PlantUML first shipped in 2026.

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PlantUML

Name: PlantUML
Author: PlantUML contributors

github.comInfrastructure

PlantUML is an open-source diagramming tool that generates UML and other technical diagrams from plain-text descriptions. It supports command-line and desktop usage and is used by developers and documentation teams to keep diagrams versionable alongside source code.

Open SourceWebEmbeddableSelf-hostedCLImacOSWindows

Visit github.com

Overview

10 features

PlantUML sits in PulseGate's Diagramming & whiteboards category. It focuses on creating and maintaining technical diagrams without manually drawing each element. PlantUML is an open-source project aimed at developers and technical documentation teams. PlantUML is open source under the Open Source license. It runs on the web, embeddable surfaces, the command line, macOS, and Windows, and it can be self-hosted.

It is developed by PlantUML contributors, and it first shipped in 2026. Among its 10 catalogued features are text-based diagrams, UML diagrams, and sequence diagrams.

Text-based diagrams
UML diagrams
Sequence diagrams
Class diagrams
Component diagrams
Activity diagrams
State diagrams
Deployment diagrams
Command-line generation
SVG export

Built with & integrations

Runs on

BrowserEmbeddableSelf-hostedCLImacOSWindowsLinux

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 07:48 UTC
PlantUML for GitHub verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about PlantUML

What is PlantUML?: PlantUML focuses on creating and maintaining technical diagrams without manually drawing each element. It is catalogued under Diagramming & whiteboards on PulseGate.
Who should use PlantUML?: PlantUML is an open-source project built for developers and technical documentation teams.
Is PlantUML free?: Yes — PlantUML is open source under the Open Source license and free to use.
What platforms does PlantUML run on?: PlantUML runs on the web, embeddable surfaces, the command line, macOS, and Windows. It can also be self-hosted.
Is PlantUML still active?: Unverified. PlantUML has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to PlantUML?: Similar projects tracked by PulseGate include PlantUML Diagram Generator, PlantUML for Android, and Generate PlantUML.PlantUML Diagram Generator PlantUML for Android Generate PlantUML
Who makes PlantUML?: PlantUML is developed by PlantUML contributors.
How long has PlantUML been around?: PlantUML first shipped in 2026.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 9 Sept 2026
Built for: developers and technical documentation teams
Model: Open source
Solves: Creating and maintaining technical diagrams without manually drawing each element.

Registered as

Chrome Web Store: lbokhidfopkdehkmlmpaabacljoediic
Firefox Add-ons: plantuml-for-github

Developer

PlantUML contributors

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: plantuml-for-github-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://github.com/plantuml/plantuml

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